. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 26. Ranunculus septentrionalis Poir. Swamp or Marsh Buttercup. Fig. 1920. Ranunculus septentrionalis Poir. in Lam. Encycl. 6: 125. 1804. Roots simply fibrous; plant branching, i°-3° high, glabrous, or pubescent, the later branches procum- bent and sometimes rooting at the nodes. Leaves large, petioled, 3-divided; divisions mostly stalked, usually cuneate at the
Image details
Contributor:
The Book Worm / Alamy Stock PhotoImage ID:
RDJW1YFile size:
7.2 MB (295.4 KB Compressed download)Releases:
Model - no | Property - noDo I need a release?Dimensions:
1425 x 1754 px | 24.1 x 29.7 cm | 9.5 x 11.7 inches | 150dpiMore information:
This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.
This image could have imperfections as it’s either historical or reportage.
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 26. Ranunculus septentrionalis Poir. Swamp or Marsh Buttercup. Fig. 1920. Ranunculus septentrionalis Poir. in Lam. Encycl. 6: 125. 1804. Roots simply fibrous; plant branching, i°-3° high, glabrous, or pubescent, the later branches procum- bent and sometimes rooting at the nodes. Leaves large, petioled, 3-divided; divisions mostly stalked, usually cuneate at the base, cleft into broad lobes; lower petioles occasionally a foot long; flowers i' in diameter or more, bright yellow; petals obovate, twice the length of the spreading sepals; head of fruit globose or oval, 4" in diameter; achenes flat, strongly margined, subulate-beaked by the stout sword-shaped style which is of nearly their length and often early deciduous. Mainly in swamps and low grounds, New Brunswick to Manitoba, Georgia and Kansas. April-July. Ranunculus sicaefdrmis Mack. & Bush, of Missouri and Minnesota, seems to be a hispid-pubescent race of this species. 27. Ranunculus hispidus Michx. Hispid Buttercup. Fig. 1921. .'?. hispidus Michx. Fl. Bor. Am. i : 321. 1803. LIsually densely villous when young, sometimes merely appressed-pubescent or glabrate when old; stems ascending or spreading, 8'-2° long; plant not stoloniferous; roots a cluster of thickened fibers. Leaves pinnately 3-S-divided, the divisions ovate, oblong or obovate, narrowed or cuneate at the base, sharply cleft or lobed, usually thin; flow- ers 6"-i8" broad; petals oblong, about twice as long as the spreading sepals, entire or emarginate; head of fruit globose-oval or globose; achenes broadly oval, lenticular, narrowly margined, ab- ruptly tipped by a subulate style of about one- half their length. In dry woods and thickets, Vermont and Ontario to North Dakota, south to Georgia and